20518952

素因数分解:

$2^3\times {\mathrm{617}}^1\times {\mathrm{4157}}^1$

素因数の和:4780

約数の個数: 16

約数和(自身を含む): 38544660

約数和(自身を除く): 18025708

約数列:

[1, 2, 4, 8, 617, 1234, 2468, 4157, 4936, 8314, 16628, 33256, 2564869, 5129738, 10259476, 20518952]

約数ペア:

[(1, 20518952), (2, 10259476), (4, 5129738), (8, 2564869), (617, 33256), (1234, 16628), (2468, 8314), (4157, 4936)]